NPPES file of Aug 9, 2026

Clayton Earl Whetmore, D.O.

Emergency Medicine Physician · Macon, MO

Clayton Earl Whetmore, D.O. is an emergency medicine physician with a practice address in Macon, Missouri, and NPI 1255407086, issued on Nov 24, 2006. Check the license (Missouri 2004030585, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255407086
Name
Clayton Earl Whetmore
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
2004030585 MO
Self-reported in NPPES; status is on the state search
Practice location
1205 N Missouri St, Macon, MO 63552
Phone
(660) 385-8700
Enumerated
Nov 24, 2006
Record last updated
Jan 24, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid IDs
242072627 MO
591720800 MO
501720809 MO
Medicare enrollment
Enrolled (PECOS I20050617000611); accepts Medicare assignment
Medical or professional school
University Of Missouri, Kansas City, School Of Medicine, 1986
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1205 N Missouri St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cicilia ArigaFamily Medicine Physician1467030544
  2. Jay Nastav, DOSurgery Physician1588944011

Verify Clayton Earl Whetmore in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2004030585
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

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69% fewer Medicare Part D claims than the average emergency medicine physician in 2024

71 Medicare Part D claims for 56 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Clayton Whetmore71
  2. Specialty average226

Most prescribed

  1. Nitrofurantoin Mono-Macro12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Macon County Samaritan HospitalMacon, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Clayton Earl Whetmore among 1,405 emergency medicine physician records in Missouri

Clayton Earl Whetmore, D.O. is one of 1,405 emergency medicine physician records with a practice address in Missouri. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 59% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1986 · median 2012 among the 808 with a school on file
  • Record last updated2020 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Missouri

There are 1,405 emergency medicine physician records in Missouri.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Ronald Keller, D.O.Memphis, MO 635551487689857
  2. Kenneth Quenneville, MDMemphis, MO 635551174591556
  3. Nicholas Brendle, DOKirksville, MO 635011407548894
  4. Jerry Burbee, DOKirksville, MO 635011184727091
  5. Mercy Fultang, MD, DOKirksville, MO 635011821593039
  6. William Christmas, DOArcadia, MO 636211659324457
  7. Phillip Brewer, MDBonne Terre, MO 636281215902556
  8. Michael Clippard, M.D., FAAPBonne Terre, MO 636281730106287

Common questions

What is Clayton Earl Whetmore, D.O.'s NPI number?

Clayton Earl Whetmore, D.O.'s National Provider Identifier (NPI) is 1255407086, issued on Nov 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Clayton Earl Whetmore, D.O. located?

The NPPES record lists a practice address at 1205 N Missouri St, Macon, MO, 63552. Phone: (660) 385-8700. Providers update this record themselves, so call before visiting.

How can I verify Clayton Earl Whetmore, D.O.'s license?

NPPES lists Missouri license number 2004030585, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Clayton Earl Whetmore, D.O. prescribe under Medicare Part D?

In 2024, Clayton Earl Whetmore, D.O. had 71 Medicare Part D claims for 56 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.